[En-Nut-Discussion] Success!!! Realtec driver for GPIO access

Zachary psilva at opensoftware-br.com
Thu Nov 2 04:57:20 CET 2006


Thank you for yout answer.

If I understood, if the hardware have the inverter this is an option if the 
hardware does not have one like mine, so I need to set this option, Is this 
true?


Ethernut is amazing, I am having a ping answer in 1,6 ms.

regards

/Zach




> No it is not mandatory.
>
> This mode is an option because it is not required for Ethernut 1.3 boards!
>
> The Ethernut 1.3 hardware design features an inverter gate on the NIC 
> interrupt line and operates in level triggered mode.
>
> However there are other hardware designs out there (like our XNUT-100 and 
> XNUT-105 modules) which spare the inverter gate and run in edge triggered 
> mode. The edge triggered mode is not available on the older Atmega103 MCU.
>
>
> Henrik
> http://www.proconx.com
>
>
>
> Zachary wrote:
>> Hi all,
>>
>> Please ignore all my post about Wrong ethenut broacast.
>>
>> I think I found the problem, in NUT/OS I did not activate the option 
>> IRQ_RISING EDGE TRIGGER,for realtek's driver.
>>
>> Now I ask, Is this mandatory to nic drive to work? If yes why is this an 
>> option?
>>
>> regards
>>
>> Zach
>> _______________________________________________
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>> En-Nut-Discussion at egnite.de
>> http://www.egnite.de/mailman/listinfo.cgi/en-nut-discussion
>>
>>
>>
>
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